A:
Positive:
1 x 697194055 x 139438817 x 995991535 x 199198349 x 1422845245 x 284569383 x 182035743 x 938351915 x 364072681 x 260053715 x 187675201 x 13405
Negative:
-1 x -69719405-5 x -13943881-7 x -9959915-35 x -1991983-49 x -1422845-245 x -284569-383 x -182035-743 x -93835-1915 x -36407-2681 x -26005-3715 x -18767-5201 x -13405
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 69,719,405, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 69,719,405 | |
| -1 | -69,719,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 69,719,405.
Example:
1 x 69,719,405 = 69,719,405
and
-1 x -69,719,405 = 69,719,405
Notice both answers equal 69,719,405
With that explanation out of the way, let's continue. Next, we take the number 69,719,405 and divide it by 2:
69,719,405 ÷ 2 = 34,859,702.5
If the quotient is a whole number, then 2 and 34,859,702.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 69,719,405 | |
| -1 | -69,719,405 |
Now, we try dividing 69,719,405 by 3:
69,719,405 ÷ 3 = 23,239,801.6667
If the quotient is a whole number, then 3 and 23,239,801.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 69,719,405 | |
| -1 | -69,719,405 |
Let's try dividing by 4:
69,719,405 ÷ 4 = 17,429,851.25
If the quotient is a whole number, then 4 and 17,429,851.25 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 69,719,405 | |
| -1 | 69,719,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 383 | 743 | 1,915 | 2,681 | 3,715 | 5,201 | 13,405 | 18,767 | 26,005 | 36,407 | 93,835 | 182,035 | 284,569 | 1,422,845 | 1,991,983 | 9,959,915 | 13,943,881 | 69,719,405 |
| -1 | -5 | -7 | -35 | -49 | -245 | -383 | -743 | -1,915 | -2,681 | -3,715 | -5,201 | -13,405 | -18,767 | -26,005 | -36,407 | -93,835 | -182,035 | -284,569 | -1,422,845 | -1,991,983 | -9,959,915 | -13,943,881 | -69,719,405 |
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